689504461 has 8 divisors (see below), whose sum is σ = 699494400. Its totient is φ = 679581360.

The previous prime is 689504407. The next prime is 689504521. The reversal of 689504461 is 164405986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 689504461 - 2¹¹ = 689502413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689504161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4260 + ... + 37378.

It is an arithmetic number, because the mean of its divisors is an integer number (87436800).

Almost surely, 2^689504461 is an apocalyptic number.

It is an amenable number.

689504461 is a deficient number, since it is larger than the sum of its proper divisors (9989939).

689504461 is a wasteful number, since it uses less digits than its factorization.

689504461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33419.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 689504461 is about 26258.4169553307. The cubic root of 689504461 is about 883.4440025417. Note that the first 3 decimals are identical.

The spelling of 689504461 in words is "six hundred eighty-nine million, five hundred four thousand, four hundred sixty-one".